22701
domain: N
Appears in sequences
- Expansion of 1/((1-x)*(1-2*x)*(1-4*x)*(1-10*x)).at n=4A021092
- Fibonacci sequence beginning 0, 23.at n=16A022357
- Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 11000-01110-00011 pattern in any orientation.at n=12A147186
- a(n) = Sum_{k=0..n} binomial(n,k)*2^k*(k+1)^(n-k).at n=6A196794
- Number of (n+2) X (5+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=1A252637
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=16A252640
- Number of (2+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=4A252642
- Squares where A323809 gets stuck.at n=11A323813
- Numbers which are the product of two S-primes (A057948) in exactly three ways.at n=18A343828